Chemical and Physical Properties of Soil

Which type of soil would water move through more quickly?

• Soil made of only large particles

• Soil made of only small particles

• Soil made of only medium size particles

• Soil made of a mix of small and large particles

The mineral portion of a soil is composed of 30% clay, 30% silt, and 40% sand. What type of soil is this?

• loam

• sandy clay loam

• silty clay loam

• clay loam

Which property of soil determines how much water it will retain?

• Texture

• Porosity

• Humus

• pH

N:P:K stands for......

• Nutrient , Physical, Portion

• Nutrient , Partition , Phase

• Nitrogen, Parameter , Placement

• Nitrogen , Phosphorus, Potassium

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Soil sample that is 60% clay, 30% silt, and 10% sand has which texture?

• clay

• clay loam

• sandy loam

• silt

If your soil sample from your farm or garden has 25% sand, 40% silt and 35%. What is the texture of your soil?

• clay

• clay loam

• loam

• sandy clay

When you hear the word "potash", what element does it refer to?

• Phosphorus

• Nitrogen

• Potassium

• Iron

What is humus?

• Decayed organic matter

• type of food

• fresh crop residues

• made from garbanzo

How do the nutrients necessary for plant growth get into the soil?

• The soil absorbs sunlight.
• Water filters through the soil
• Organic matter is decayed in the soil.
• The soil is exposed to air.

Why is cation exchange capacity important in soil?

• Cation exchange capacity is important in soil because it determines the soil's ability to retain and supply essential nutrients to plants.

• Cation exchange capacity is not important in soil.

• Cation exchange capacity is only important for non-agricultural purposes.

• Cation exchange capacity only affects the pH of the soil.